5243143517 has 2 divisors, whose sum is σ = 5243143518. Its totient is φ = 5243143516.

The previous prime is 5243143453. The next prime is 5243143597. The reversal of 5243143517 is 7153413425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4206689881 + 1036453636 = 64859^2 + 32194^2 .

It is a cyclic number.

It is not a de Polignac number, because 5243143517 - 2⁶ = 5243143453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5243143597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2621571758 + 2621571759.

It is an arithmetic number, because the mean of its divisors is an integer number (2621571759).

Almost surely, 2^5243143517 is an apocalyptic number.

It is an amenable number.

5243143517 is a deficient number, since it is larger than the sum of its proper divisors (1).

5243143517 is an equidigital number, since it uses as much as digits as its factorization.

5243143517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 35.

The square root of 5243143517 is about 72409.5540450292. The cubic root of 5243143517 is about 1737.2563795688.

The spelling of 5243143517 in words is "five billion, two hundred forty-three million, one hundred forty-three thousand, five hundred seventeen".